30633

Appears in sequences

• a(1) = 3; a(n+1) = a(n)-th nonprime, where nonprimes begin at 1.at n=43A025004
• Starting positions of strings of three 8's in the decimal expansion of Pi.at n=28A083637
• a(n+1) = a(n)^2 + 2*n.at n=4A114317
• Numbers k such that k and k^2 use only the digits 0, 3, 6, 8 and 9.at n=33A136945
• Number of compositions of n with circular differences all equal to 1, 0, or -1.at n=20A325591